Home
Class 12
MATHS
Urn A contains 6 red and 4 black balls a...

Urn A contains 6 red and 4 black balls and urn B contains 4 and 6 black balls. One ball is drawn at random from urn A and B placed in urn B. Then one ball is drawn at random from urn and placed in urn. A If one ball is now drawn at random from urn A, the porbability that it is red.

Text Solution

Verified by Experts

The correct Answer is:
`(1)/(2)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    VMC MODULES ENGLISH|Exercise JEE MAIN (ARCHIVE)|37 Videos
  • PERMUTATION & COMBINATION

    VMC MODULES ENGLISH|Exercise JEE ARCHIVE|50 Videos
  • PROPERTIES OF TRIANGLE

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|50 Videos

Similar Questions

Explore conceptually related problems

Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 black balls. One ball is drawn at random from urn A and placed in urn B. Then, one ball is drawn at random from urn B and placed in urn A. If one ball is drawn at random from urn A, the probability that it is found to be red, is....

A bag contains 4 red and 5 black balls, a second bag contain 3 red and 7 black balls. One ball is drawn at random from each bag, find the probability that the ball are of the same colour.

A bag contains 4 red and 5 black balls, a second bag contain 3 red and 7 black balls. One ball is drawn at random from each bag, find the probability that the balls are of different colour.

There are 6 red and 4 black balls in a bag. A ball is drawn at random. Find the probability that the ball drawn is red.

Bag I contains 3 red and 4 black balls while another Bag II contains 5 red and 6 black balls. One ball is drawn at random from one of the bags and it is found to be red. Find the probability that it was drawn from Bag II.

An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.

An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with k additional balls of the same colour as that of the ball drawn. A ball is again drawn at random. What is the probability that the ball drawn now is white ?

An urn contains 5 red and 5 black balls. A ball is drawn at random, its colour is noted and is returned to the urn. Moreover, 2 additional balls of the colour drawn are put in the um and then a ball is drawn at random. What is the probability that the second ball is red?

A bag contains 4 red, 6 black and 5 white balls, A ball is drawn at random from the bag. Find the probability that the ball drawn is: not black

A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and two balls are drawn at random without replacement from the bag and are found to be both red. Find the probability that the balls are drawn from the first bag.

VMC MODULES ENGLISH-PROBABILITY-JEE ADVANCED (ARCHIVE)
  1. Let A and B be two events such that, p(A) = 0.3 and p (A cup B) = 0.8,...

    Text Solution

    |

  2. A pair of unbiased dices are dices are rolled together till a sim of e...

    Text Solution

    |

  3. Urn A contains 6 red and 4 black balls and urn B contains 4 and 6 blac...

    Text Solution

    |

  4. If A and B are two independent events, prove that P(AuuB).P(A'nnB')<=P...

    Text Solution

    |

  5. A is targeting to B, B and C are targeting to A. probability of hittin...

    Text Solution

    |

  6. about to only mathematics

    Text Solution

    |

  7. A box contains N coins, m of wiich are fair and the rest are biased. T...

    Text Solution

    |

  8. A coin has probability p of showing head when tossed. It is tossed n t...

    Text Solution

    |

  9. An unbiased coin is tossed. If the result is a head, a pair of unbi...

    Text Solution

    |

  10. A lot contains 50 defective and 50 non-defective bulbs. Two bulbs are ...

    Text Solution

    |

  11. In a multiple choice question, there are four alternative answers of ...

    Text Solution

    |

  12. Aa n dB are two independent events. The probability that both Aa n dB ...

    Text Solution

    |

  13. Cards are drawn one by one at random from a well suffied full pack of ...

    Text Solution

    |

  14. about to only mathematics

    Text Solution

    |

  15. A box contains 2 balck, 4 white, and 3 balls. One ball is drawn at ran...

    Text Solution

    |

  16. Of the three independent events E(1),E(2),and E(3), the probability th...

    Text Solution

    |

  17. A single which can can be green or red with probability 2/3 and 1/5 re...

    Text Solution

    |

  18. A ship is fitted with three engines E1,E2 and E3. The engines function...

    Text Solution

    |

  19. Let H1,H2,………Hn be mutually exculusive events with P(Hi)gt 0,i=1,2,……,...

    Text Solution

    |

  20. Let U1 and U2 be two urns such that U1 contains 3 white and 2 red ball...

    Text Solution

    |